25x Postcard Pickett's Charge GETTYSBURG NATIONAL MILITARY PARK GETTYSBURG NATIONAL MILITARY PARK Pickett's Charge The Battle of Gettysburg opened on July 1,1863 and closed two days later with the climactic "Pickett's Charge." It resulted in a Union victory for the Army of the Potomac and successfully turned back the second invasion of the North by General Robert E. Lee's Army of Northern Virginia. Photographer - Chris E. Heisey Postcard size 4 x 6